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| PartNumber | BT149D,126 | BT149D,112 | BT149D |
| Description | SCRs AMMORA SCR | SCRs BULK SCR | SCRs BULK SCR |
| Manufacturer | WeEn Semiconductors | WeEn Semiconductors | |
| Product Category | SCRs | SCRs | SCRs - Single |
| RoHS | Y | Y | - |
| Rated Repetitive Off State Voltage VDRM | 400 V | 400 V | - |
| Off State Leakage Current @ VDRM IDRM | 0.05 mA | 0.05 mA | - |
| On State RMS Current It RMS | 0.8 A | 0.8 A | - |
| Maximum Gate Peak Inverse Voltage | 5 V | 5 V | - |
| Gate Trigger Voltage Vgt | 0.5 V | 0.5 V | - |
| Gate Trigger Current Igt | 50 uA | 50 uA | - |
| Holding Current Ih Max | 5 mA | 5 mA | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | SOT-54-3 | SOT-54-3 | - |
| Current Rating | 500 mA | 500 mA | - |
| Type | SCRs | SCRs | - |
| Brand | WeEn Semiconductors | WeEn Semiconductors | - |
| Non Repetitive On State Current | 9 A | 9 A | - |
| Product Type | SCRs | SCRs | - |
| Factory Pack Quantity | 10000 | 5000 | - |
| Subcategory | Thyristors | Thyristors | - |
| Part # Aliases | 933552430126 AMO BT149D | 933552430112 BT149D | - |